\documentclass{article}
\usepackage[pdftex,active,tightpage]{preview}
\setlength\PreviewBorder{2mm}
\usepackage{pgfplots}
\usepgfplotslibrary{patchplots}
\begin{document}
\begin{preview}
\pgfplotsset{
colormap={whitered}{
color(0cm)=(white);
color(1cm)=(orange!75!red)
}
}
\begin{tikzpicture}
\begin{axis}[
colormap name=whitered,
width=15cm,
view={10}{15},
enlargelimits=false,
grid=major,
domain=1.5:6,
y domain=0:10^9,
ymode=log,
samples=46,
xlabel=$V_{dd}$ in V,
ylabel=$f$ in Hz,
zlabel=$P_v$ in mW,
]
\addplot3[surf,opacity=0.9] {x*x*y};
\end{axis}
\end{tikzpicture}
\end{preview}
\end{document}